Finding the Fourth Proportional to 777,187.60, 1,166,299.80 and 356,246.80
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Solution
The fourth proportional to 777,187.60, 1,166,299.80 and 356,246.80 is: 534,607.82
Step by Step Solution
- Step 1: Write the proportion equation
777,187.60 : 1,166,299.80 = 356,246.80 : x - Step 2: Convert to fraction form
777,187.60/1,166,299.80 = 356,246.80/x - Step 3: Cross multiply
777,187.60x = 1,166,299.80 × 356,246.80 - Step 4: Simplify right side
777,187.60x = 415,490,571,590.64 - Step 5: Solve for x
x = 415,490,571,590.64/777,187.60 - Step 6: Final answer
x = 534,607.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.